Isn't this about the message pane? All the questions in comment 3 seems to be related to the compose window, which doesn't seems to be what the user originally reported. As a temporary workaround, you can double click to open the message in a new tab to ahve more vertical and horizontal space. That section is very old and the layout is not very flexible, but we're rebuilding it for 115 to gain a much larger scrolling area. This is a wontfix for 102, unfortunately.
Bug 1792403 Comment 4 Edit History
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Isn't this about the message pane? All the questions in comment 3 seem to be related to the compose window, which doesn't seem to be what the user originally reported. As a temporary workaround, you can double click to open the message in a new tab to ahve more vertical and horizontal space. That section is very old and the layout is not very flexible, but we're rebuilding it for 115 to gain a much larger scrolling area. This is a wontfix for 102, unfortunately.
Isn't this about the message pane? All the questions in comment 3 seem to be related to the compose window, which doesn't seem to be what the user originally reported. As a temporary workaround, you can double click to open the message in a new tab to have more vertical and horizontal space. That section is very old and the layout is not very flexible, but we're rebuilding it for 115 to gain a much larger scrolling area. This is a wontfix for 102, unfortunately.